The Union Cycliste Internationale (UCI) – the governing body of cycling – categorizes teams into three divisions.
According to the UCI Rulebook,[1] "A professional continental team is an organisation created to take part in road events open to professional continental teams.
CCC as well did not return but became the title sponsor of the former BMC team at the World Tour level.
Corendon Circus, Riwal Readynez, and W52/FC Porto moved up from the Continental level.
Willier Trestina Selle Italia changed sponsors to Neri Sottoli Selle Italia for 2019 Fortuno Samsic became Team Areka Samsic for 2019 Verandas Willems Crelan merged with team Roompot-Charles for 2019 Holowesko Citadel returned to the Continental level for 2019.